Finding the Fourth Proportional to 6,081.50, 8,396.06 and 3,989.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.50 : 8,396.06 = 3,989.27 : x
2. Step 2: Convert to fraction form
   6,081.50/8,396.06 = 3,989.27/x
3. Step 3: Cross multiply
   6,081.50x = 8,396.06 × 3,989.27
4. Step 4: Simplify right side
   6,081.50x = 33,494,151.32
5. Step 5: Solve for x
   x = 33,494,151.32/6,081.50
6. Step 6: Final answer
   x = 5,507.55